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Originally Posted by goddardzilla
Sure: directly from his article, Vizard's opinion on the flow capabilities
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Yeah I remember reading that, but I'd like to see him modify some heads and actually see what the flow numbers are. I'm still blown away by the mere flow in stock form over the LS heads. Simply amazing.
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Maybe, I used to own a high performance shop, and this caused me to analyse all claims with a critical frame of mind - maybe your right; I guess I am just a bit jaded. I'm sure many other's like me came to conclusion's about the Hemi heads supporting high HP, based on Vizard's published work way, way before Fastman's "you heard it here first" headline
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Yeah, I will look forward to hearing more from him, but there will be a lot of aftermarket engineers dedicating their work to making these heads perform so I'd still like to hear more from Fastman since there's not many people doing any work....Here's a site that actually offers worked hemi heads. It looks like the flow numbers Vizard claims can be bought right now. They didn't even up the valve sizes and look at the .600 lift flow numbers!
http://www.lmperformance.com/5354/75.html
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Several types of anti-reversion valve are available. Here is more information on the type with a visible Anti reversion lip on the combustion chamber side, in the Fastman's picture.
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Ok, I wasn't sure if the dome, or cupping of the underside of the valve was directly related to them being anti-reversion valves or not. I wonder how they will affect the top end. Like I said before, I've heard it's a trade off. If you're running such a radical overlap cam (No low end backpressure) the anti-reversion might hurt the 5000-7000RPM power output.
vvv90 it was Fastman's bragging that caused me to react, I am not getting at you - I generally like your informative posts and comment.
Zilla[/quote]
As I do yours. Thanks for the info Zilla!
-Matt
